US2656293A

Multiple gore balloon manufacturing process

Abstract

This record has no abstract on file.

US2656293A, drawing sheet 1
Sheet 1 of 3

Term

Term ended

Expired 20 October 1970, 55.9 years ago.

  1. Priority and filed
  2. Granted
  3. Expired
  4. Today

3 sheets

  1. Sheet 1
  2. Sheet 2
  3. Sheet 3